Long live Qt 4.5!

8 files changed, 604 insertions, 0 deletions

diff --git a/examples/itemviews/simpletreemodel/default.txt b/examples/itemviews/simpletreemodel/default.txt
new file mode 100644
index 0000000..2b2fb57
--- /dev/null
+++ b/examples/itemviews/simpletreemodel/default.txt
@@ -0,0 +1,40 @@
+Getting Started				How to familiarize yourself with Qt Designer
+    Launching Designer			Running the Qt Designer application
+    The User Interface			How to interact with Qt Designer
+
+Designing a Component			Creating a GUI for your application
+    Creating a Dialog			How to create a dialog
+    Composing the Dialog		Putting widgets into the dialog example
+    Creating a Layout			Arranging widgets on a form
+    Signal and Slot Connections		Making widget communicate with each other
+
+Using a Component in Your Application	Generating code from forms
+    The Direct Approach			Using a form without any adjustments
+    The Single Inheritance Approach	Subclassing a form's base class
+    The Multiple Inheritance Approach	Subclassing the form itself
+    Automatic Connections		Connecting widgets using a naming scheme
+        A Dialog Without Auto-Connect	How to connect widgets without a naming scheme
+        A Dialog With Auto-Connect	Using automatic connections
+
+Form Editing Mode			How to edit a form in Qt Designer
+    Managing Forms			Loading and saving forms
+    Editing a Form			Basic editing techniques
+    The Property Editor			Changing widget properties
+    The Object Inspector		Examining the hierarchy of objects on a form
+    Layouts				Objects that arrange widgets on a form
+        Applying and Breaking Layouts	Managing widgets in layouts 
+        Horizontal and Vertical Layouts	Standard row and column layouts
+        The Grid Layout			Arranging widgets in a matrix
+    Previewing Forms			Checking that the design works
+
+Using Containers			How to group widgets together
+    General Features			Common container features
+    Frames				QFrame
+    Group Boxes				QGroupBox
+    Stacked Widgets			QStackedWidget
+    Tab Widgets				QTabWidget
+    Toolbox Widgets			QToolBox
+
+Connection Editing Mode			Connecting widgets together with signals and slots
+    Connecting Objects			Making connections in Qt Designer
+    Editing Connections			Changing existing connections
diff --git a/examples/itemviews/simpletreemodel/main.cpp b/examples/itemviews/simpletreemodel/main.cpp
new file mode 100644
index 0000000..89bdc77
--- /dev/null
+++ b/examples/itemviews/simpletreemodel/main.cpp
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "treemodel.h"
+
+int main(int argc, char *argv[])
+{
+    Q_INIT_RESOURCE(simpletreemodel);
+
+    QApplication app(argc, argv);
+
+    QFile file(":/default.txt");
+    file.open(QIODevice::ReadOnly);
+    TreeModel model(file.readAll());
+    file.close();
+
+    QTreeView view;
+    view.setModel(&model);
+    view.setWindowTitle(QObject::tr("Simple Tree Model"));
+    view.show();
+    return app.exec();
+}
diff --git a/examples/itemviews/simpletreemodel/simpletreemodel.pro b/examples/itemviews/simpletreemodel/simpletreemodel.pro
new file mode 100644
index 0000000..9db74d4
--- /dev/null
+++ b/examples/itemviews/simpletreemodel/simpletreemodel.pro
@@ -0,0 +1,13 @@
+HEADERS     = treeitem.h \
+              treemodel.h
+RESOURCES   = simpletreemodel.qrc
+SOURCES     = treeitem.cpp \
+              treemodel.cpp \
+              main.cpp
+CONFIG  += qt
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/itemviews/simpletreemodel
+sources.files = $$SOURCES $$HEADERS $$RESOURCES *.pro *.txt
+sources.path = $$[QT_INSTALL_EXAMPLES]/itemviews/simpletreemodel
+INSTALLS += target sources
diff --git a/examples/itemviews/simpletreemodel/simpletreemodel.qrc b/examples/itemviews/simpletreemodel/simpletreemodel.qrc
new file mode 100644
index 0000000..a8ecc98
--- /dev/null
+++ b/examples/itemviews/simpletreemodel/simpletreemodel.qrc
@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+   <file>default.txt</file>
+</qresource>
+</RCC>
diff --git a/examples/itemviews/simpletreemodel/treeitem.cpp b/examples/itemviews/simpletreemodel/treeitem.cpp
new file mode 100644
index 0000000..d2c1eed
--- /dev/null
+++ b/examples/itemviews/simpletreemodel/treeitem.cpp
@@ -0,0 +1,117 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+    treeitem.cpp
+
+    A container for items of data supplied by the simple tree model.
+*/
+
+#include <QStringList>
+
+#include "treeitem.h"
+
+//! [0]
+TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent)
+{
+    parentItem = parent;
+    itemData = data;
+}
+//! [0]
+
+//! [1]
+TreeItem::~TreeItem()
+{
+    qDeleteAll(childItems);
+}
+//! [1]
+
+//! [2]
+void TreeItem::appendChild(TreeItem *item)
+{
+    childItems.append(item);
+}
+//! [2]
+
+//! [3]
+TreeItem *TreeItem::child(int row)
+{
+    return childItems.value(row);
+}
+//! [3]
+
+//! [4]
+int TreeItem::childCount() const
+{
+    return childItems.count();
+}
+//! [4]
+
+//! [5]
+int TreeItem::columnCount() const
+{
+    return itemData.count();
+}
+//! [5]
+
+//! [6]
+QVariant TreeItem::data(int column) const
+{
+    return itemData.value(column);
+}
+//! [6]
+
+//! [7]
+TreeItem *TreeItem::parent()
+{
+    return parentItem;
+}
+//! [7]
+
+//! [8]
+int TreeItem::row() const
+{
+    if (parentItem)
+        return parentItem->childItems.indexOf(const_cast<TreeItem*>(this));
+
+    return 0;
+}
+//! [8]
diff --git a/examples/itemviews/simpletreemodel/treeitem.h b/examples/itemviews/simpletreemodel/treeitem.h
new file mode 100644
index 0000000..7bfd63b
--- /dev/null
+++ b/examples/itemviews/simpletreemodel/treeitem.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TREEITEM_H
+#define TREEITEM_H
+
+#include <QList>
+#include <QVariant>
+
+//! [0]
+class TreeItem
+{
+public:
+    TreeItem(const QList<QVariant> &data, TreeItem *parent = 0);
+    ~TreeItem();
+
+    void appendChild(TreeItem *child);
+
+    TreeItem *child(int row);
+    int childCount() const;
+    int columnCount() const;
+    QVariant data(int column) const;
+    int row() const;
+    TreeItem *parent();
+
+private:
+    QList<TreeItem*> childItems;
+    QList<QVariant> itemData;
+    TreeItem *parentItem;
+};
+//! [0]
+
+#endif
diff --git a/examples/itemviews/simpletreemodel/treemodel.cpp b/examples/itemviews/simpletreemodel/treemodel.cpp
new file mode 100644
index 0000000..ec7bd64
--- /dev/null
+++ b/examples/itemviews/simpletreemodel/treemodel.cpp
@@ -0,0 +1,219 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+    treemodel.cpp
+
+    Provides a simple tree model to show how to create and use hierarchical
+    models.
+*/
+
+#include <QtGui>
+
+#include "treeitem.h"
+#include "treemodel.h"
+
+//! [0]
+TreeModel::TreeModel(const QString &data, QObject *parent)
+    : QAbstractItemModel(parent)
+{
+    QList<QVariant> rootData;
+    rootData << "Title" << "Summary";
+    rootItem = new TreeItem(rootData);
+    setupModelData(data.split(QString("\n")), rootItem);
+}
+//! [0]
+
+//! [1]
+TreeModel::~TreeModel()
+{
+    delete rootItem;
+}
+//! [1]
+
+//! [2]
+int TreeModel::columnCount(const QModelIndex &parent) const
+{
+    if (parent.isValid())
+        return static_cast<TreeItem*>(parent.internalPointer())->columnCount();
+    else
+        return rootItem->columnCount();
+}
+//! [2]
+
+//! [3]
+QVariant TreeModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    TreeItem *item = static_cast<TreeItem*>(index.internalPointer());
+
+    return item->data(index.column());
+}
+//! [3]
+
+//! [4]
+Qt::ItemFlags TreeModel::flags(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return 0;
+
+    return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+}
+//! [4]
+
+//! [5]
+QVariant TreeModel::headerData(int section, Qt::Orientation orientation,
+                               int role) const
+{
+    if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
+        return rootItem->data(section);
+
+    return QVariant();
+}
+//! [5]
+
+//! [6]
+QModelIndex TreeModel::index(int row, int column, const QModelIndex &parent)
+            const
+{
+    if (!hasIndex(row, column, parent))
+        return QModelIndex();
+
+    TreeItem *parentItem;
+
+    if (!parent.isValid())
+        parentItem = rootItem;
+    else
+        parentItem = static_cast<TreeItem*>(parent.internalPointer());
+
+    TreeItem *childItem = parentItem->child(row);
+    if (childItem)
+        return createIndex(row, column, childItem);
+    else
+        return QModelIndex();
+}
+//! [6]
+
+//! [7]
+QModelIndex TreeModel::parent(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return QModelIndex();
+
+    TreeItem *childItem = static_cast<TreeItem*>(index.internalPointer());
+    TreeItem *parentItem = childItem->parent();
+
+    if (parentItem == rootItem)
+        return QModelIndex();
+
+    return createIndex(parentItem->row(), 0, parentItem);
+}
+//! [7]
+
+//! [8]
+int TreeModel::rowCount(const QModelIndex &parent) const
+{
+    TreeItem *parentItem;
+    if (parent.column() > 0)
+        return 0;
+
+    if (!parent.isValid())
+        parentItem = rootItem;
+    else
+        parentItem = static_cast<TreeItem*>(parent.internalPointer());
+
+    return parentItem->childCount();
+}
+//! [8]
+
+void TreeModel::setupModelData(const QStringList &lines, TreeItem *parent)
+{
+    QList<TreeItem*> parents;
+    QList<int> indentations;
+    parents << parent;
+    indentations << 0;
+
+    int number = 0;
+
+    while (number < lines.count()) {
+        int position = 0;
+        while (position < lines[number].length()) {
+            if (lines[number].mid(position, 1) != " ")
+                break;
+            position++;
+        }
+
+        QString lineData = lines[number].mid(position).trimmed();
+
+        if (!lineData.isEmpty()) {
+            // Read the column data from the rest of the line.
+            QStringList columnStrings = lineData.split("\t", QString::SkipEmptyParts);
+            QList<QVariant> columnData;
+            for (int column = 0; column < columnStrings.count(); ++column)
+                columnData << columnStrings[column];
+
+            if (position > indentations.last()) {
+                // The last child of the current parent is now the new parent
+                // unless the current parent has no children.
+
+                if (parents.last()->childCount() > 0) {
+                    parents << parents.last()->child(parents.last()->childCount()-1);
+                    indentations << position;
+                }
+            } else {
+                while (position < indentations.last() && parents.count() > 0) {
+                    parents.pop_back();
+                    indentations.pop_back();
+                }
+            }
+
+            // Append a new item to the current parent's list of children.
+            parents.last()->appendChild(new TreeItem(columnData, parents.last()));
+        }
+
+        number++;
+    }
+}
diff --git a/examples/itemviews/simpletreemodel/treemodel.h b/examples/itemviews/simpletreemodel/treemodel.h
new file mode 100644
index 0000000..3b535f9
--- /dev/null
+++ b/examples/itemviews/simpletreemodel/treemodel.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TREEMODEL_H
+#define TREEMODEL_H
+
+#include <QAbstractItemModel>
+#include <QModelIndex>
+#include <QVariant>
+
+class TreeItem;
+
+//! [0]
+class TreeModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    TreeModel(const QString &data, QObject *parent = 0);
+    ~TreeModel();
+
+    QVariant data(const QModelIndex &index, int role) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+    QVariant headerData(int section, Qt::Orientation orientation,
+                        int role = Qt::DisplayRole) const;
+    QModelIndex index(int row, int column,
+                      const QModelIndex &parent = QModelIndex()) const;
+    QModelIndex parent(const QModelIndex &index) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+
+private:
+    void setupModelData(const QStringList &lines, TreeItem *parent);
+
+    TreeItem *rootItem;
+};
+//! [0]
+
+#endif